/Engine/Source/Runtime/Engine/Classes/Animation/AnimClassInterface.h
Find a subsystem's class-resident data. If no subsystem of the type exists this will return nullptr.
const [FAnimSubsystem](API\Runtime\Engine\Animation\FAnimSubsystem) * FindSubsystem ( [UScriptStruct](API\Runtime\CoreUObject\UObject\UScriptStruct) * InSubsystemType ) const